@Work{OL29607W,
    title: {The earth},
    author: {Edward J. Tarbuck and Frederick K. Lutgens},
    first_publish_year: {1984}
}

@Author{OL26611A,
    name: {Edward J. Tarbuck},
    birth_date: {1940}
}
@Author{OL26610A,
    name: {Frederick K. Lutgens},
    birth_date: {1945}
}